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How many functions does PHP offer for searching and modifying strings...

This question belongs to PHP Regular Expressions
Regular Expressions
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How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

Answer & Solution
Correct Answer: Option B
The functions are preg_filter(), preg_grep(), preg_match(), preg_match_all(), preg_quote(), preg_replace(), preg_replace_callback(), and preg_split().
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